CVE-2022-3543 (GCVE-0-2022-3543)

Vulnerability from cvelistv5 – Published: 2022-10-17 00:00 – Updated: 2024-08-03 01:14
VLAI
Title
Linux Kernel BPF af_unix.c unix_release_sock memory leak
Summary
A vulnerability, which was classified as problematic, has been found in Linux Kernel. This issue affects the function unix_sock_destructor/unix_release_sock of the file net/unix/af_unix.c of the component BPF. The manipulation leads to memory leak. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-211043.
Severity
3.5 (Low)
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-404 - Denial of Service -> CWE-401 Memory Leak
Assigner
References
Impacted products
Vendor Product Version
Linux Kernel Affected: n/a
Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T01:14:02.530Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git/commit/?id=7a62ed61367b8fd01bae1e18e30602c25060d824"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://vuldb.com/?id.211043"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Kernel",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability, which was classified as problematic, has been found in Linux Kernel. This issue affects the function unix_sock_destructor/unix_release_sock of the file net/unix/af_unix.c of the component BPF. The manipulation leads to memory leak. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-211043."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 3.5,
            "baseSeverity": "LOW",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-404",
              "description": "CWE-404 Denial of Service -\u003e CWE-401 Memory Leak",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-10-17T00:00:00.000Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "url": "https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git/commit/?id=7a62ed61367b8fd01bae1e18e30602c25060d824"
        },
        {
          "url": "https://vuldb.com/?id.211043"
        }
      ],
      "title": "Linux Kernel BPF af_unix.c unix_release_sock memory leak",
      "x_generator": "vuldb.com"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2022-3543",
    "datePublished": "2022-10-17T00:00:00.000Z",
    "dateReserved": "2022-10-17T00:00:00.000Z",
    "dateUpdated": "2024-08-03T01:14:02.530Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2022-3543",
      "date": "2026-07-14",
      "epss": "0.0026",
      "percentile": "0.17446"
    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"6.1\", \"matchCriteriaId\": \"9064B383-DD48-40A2-8947-F5BA6E6B6713\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"A vulnerability, which was classified as problematic, has been found in Linux Kernel. This issue affects the function unix_sock_destructor/unix_release_sock of the file net/unix/af_unix.c of the component BPF. The manipulation leads to memory leak. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-211043.\"}, {\"lang\": \"es\", \"value\": \"Se ha encontrado una vulnerabilidad, clasificada como problem\\u00e1tica, en el Kernel de Linux. Este problema afecta a la funci\\u00f3n unix_sock_destructor/unix_release_sock del archivo net/unix/af_unix.c del componente BPF. La manipulaci\\u00f3n conlleva a una p\\u00e9rdida de memoria. Es recomendado aplicar un parche para corregir este problema. El identificador asociado a esta vulnerabilidad es VDB-211043\"}]",
      "id": "CVE-2022-3543",
      "lastModified": "2024-11-21T07:19:44.023",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"cna@vuldb.com\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L\", \"baseScore\": 3.5, \"baseSeverity\": \"LOW\", \"attackVector\": \"ADJACENT_NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"LOW\"}, \"exploitabilityScore\": 2.1, \"impactScore\": 1.4}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\", \"baseScore\": 5.5, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.8, \"impactScore\": 3.6}]}",
      "published": "2022-10-17T12:15:10.983",
      "references": "[{\"url\": \"https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git/commit/?id=7a62ed61367b8fd01bae1e18e30602c25060d824\", \"source\": \"cna@vuldb.com\", \"tags\": [\"Patch\", \"Vendor Advisory\"]}, {\"url\": \"https://vuldb.com/?id.211043\", \"source\": \"cna@vuldb.com\", \"tags\": [\"Permissions Required\"]}, {\"url\": \"https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git/commit/?id=7a62ed61367b8fd01bae1e18e30602c25060d824\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\", \"Vendor Advisory\"]}, {\"url\": \"https://vuldb.com/?id.211043\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Permissions Required\"]}]",
      "sourceIdentifier": "cna@vuldb.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"cna@vuldb.com\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-404\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-401\"}]}]"
    },
    "microsoft_vex": {
      "current_release_date": "2022-10-19T00:00:00.000Z",
      "cve": "CVE-2022-3543",
      "id": "msrc_CVE-2022-3543",
      "initial_release_date": "2022-10-02T00:00:00.000Z",
      "product_status:fixed": "2",
      "product_status:known_affected": "2",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "Linux Kernel BPF af_unix.c unix_release_sock memory leak",
      "url": "https://msrc.microsoft.com/csaf/vex/2022/msrc_cve-2022-3543.json",
      "version": "1"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-3543\",\"sourceIdentifier\":\"cna@vuldb.com\",\"published\":\"2022-10-17T12:15:10.983\",\"lastModified\":\"2026-06-17T04:59:42.853\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A vulnerability, which was classified as problematic, has been found in Linux Kernel. This issue affects the function unix_sock_destructor/unix_release_sock of the file net/unix/af_unix.c of the component BPF. The manipulation leads to memory leak. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-211043.\"},{\"lang\":\"es\",\"value\":\"Se ha encontrado una vulnerabilidad, clasificada como problem\u00e1tica, en el Kernel de Linux. Este problema afecta a la funci\u00f3n unix_sock_destructor/unix_release_sock del archivo net/unix/af_unix.c del componente BPF. La manipulaci\u00f3n conlleva a una p\u00e9rdida de memoria. Es recomendado aplicar un parche para corregir este problema. El identificador asociado a esta vulnerabilidad es VDB-211043\"}],\"affected\":[{\"source\":\"cna@vuldb.com\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Kernel\",\"versions\":[{\"version\":\"n/a\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L\",\"baseScore\":3.5,\"baseSeverity\":\"LOW\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":2.1,\"impactScore\":1.4},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-404\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-401\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"6.1\",\"matchCriteriaId\":\"9064B383-DD48-40A2-8947-F5BA6E6B6713\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git/commit/?id=7a62ed61367b8fd01bae1e18e30602c25060d824\",\"source\":\"cna@vuldb.com\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://vuldb.com/?id.211043\",\"source\":\"cna@vuldb.com\",\"tags\":[\"Permissions Required\"]},{\"url\":\"https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git/commit/?id=7a62ed61367b8fd01bae1e18e30602c25060d824\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://vuldb.com/?id.211043\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Permissions Required\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T15:32:11+00:00",
      "cve": "CVE-2022-3543",
      "id": "CVE-2022-3543",
      "initial_release_date": "2022-10-03T06:30:00+00:00",
      "product_status:known_affected": "42",
      "product_status:known_not_affected": "156",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: A flaw in unix_sock_destructor/unix_release_sock in net/unix/af_unix.c leads to memory leak",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-3543.json",
      "version": "3"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.